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Many Balakot survivors are still waiting for helpAid is pouring into regions affected by Saturday's South Asian earthquake, after relief efforts were temporarily suspended because of bad weather.
But correspondents say there is concern about a lack of co-ordination, with supplies yet to reach remote areas.
UN officials have warned of a growing threat of disease, and are asking for aid delivery to be stepped up.
In the town of Muzaffarabad, close to the epicentre, two survivors were rescued from the rubble on Wednesday.
US Secretary of State Condoleezza Rice is in the Pakistani capital Islamabad to assess the devastation.
Map of earthquake zone
Ms Rice, who is on a scheduled tour of Central Asia and Afghanistan, held talks with Prime Minister Shaukat Aziz and is expected to meet President Pervez Musharraf.
After her meeting with the prime minister, Ms Rice promised more US aid would be made available to Pakistan in this its "hour of need".
"We will be with you not just today but also tomorrow," she said, although she did not specify how much the aid would amount to.
Some four million people have been affected by the quake, which has claimed 23,000 lives, most in Pakistani-administered Kashmir.
However, there was a tiny glimmer of hope for those buried in the rubble when a five-year-old girl was pulled alive from her destroyed home in Muzaffarabad on Wednesday.
Zarabe Shah, who survived in the building's stairwell, asked for a drink of water as she was pulled clear by a team of Russian rescuers. Her father and two of her sisters were killed in the quake, but her mother and another two sisters are alive.
Diplomatic thaw
Elsewhere in the town Turkish rescuers pulled a 45-year-old mother of the three from her home, AFP news agency reported.
HOW TO DONATE 
Unicef www.unicef.org.uk
Disasters Emergency Committee (UK) www.dec.org.uk
World Food Programme www.wfp.org
Kashmir International Relief Fund
www.kirf.org
Red Cross/ Red Crescent www.ifrc.org
UN seeks $272m urgent aid
There were cheers from gathered crowds of onlookers as Rashida Farooq appeared 105 hours after the quake struck.
In the Indian-administered part of Kashmir, the authorities say at least 1,300 people are now known to have died, but the number is likely to rise.
The two countries have taken initial steps to reunite families on both sides of the Line of Control, which divides Kashmir, following a growing demand for easier access.
Five families from Pakistani Kashmir have been allowed to return home without restriction, and one from Indian Kashmir.
And in another sign of improved relations between the rivals, the first aircraft carrying aid from India arrived in Pakistan.
Both countries lay claim to Kashmir, over which two wars have been fought.
Traffic jam
The 7.6-magnitude quake damaged sanitation facilities, destroyed hospitals and killed medical staff.
Many survivors have no access to clean water, making them vulnerable to diseases such as malaria, cholera and measles.
The aid effort is stepped up but some are still without help
In picturesThe BBC's Andrew North in Balakot, one of the worst hit areas, says the road into the town is jammed with vehicles bringing in blankets, food and tents, with more supplies coming in by helicopter.
But around the town there are still thousands living in the open without proper assistance, and many more in villages up the valley, he says.
There are complaints about people from unaffected areas stealing aid supplies and looting collapsed homes, as the authorities struggle to keep order.
Another BBC correspondent, Dumeetha Luthra in Muzaffarabad, says she has yet to see large-scale relief operations there.
She says people are still having to search for water, food and blankets in the cold and damp conditions.
Flies buzz around bodies still lying in the streets.
Health plan
Sewage has contaminated the river Neelum, the city's main source of drinking water.
"Health services have totally collapsed here and malaria, gastroenteritis and water-borne diseases have already spread in worst-hit areas of the city," said Khawaja Shabir, the province's health chief.
Mr Shabir said plans to avert a major health crisis were being drawn involving the immediate removal of bodies and aerial spray on all affected areas.
Torrential rains on Tuesday briefly grounded helicopters and slowed the progress of relief trucks on the roads.
LARGE AID PLEDGES
Kuwait: $100m
UAE: $100m
US: $50m
UK: $20.9m
Canada: $20m
Japan: $20m
World Bank: $20m
Asian Development Bank: $10m
Australia: $7.6m
China: $6.2m
EU: $4.4m
South Korea: $3m
Germany: $3.6m
Source: BBC
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